JPH0237145B2 - - Google Patents

Info

Publication number
JPH0237145B2
JPH0237145B2 JP58066592A JP6659283A JPH0237145B2 JP H0237145 B2 JPH0237145 B2 JP H0237145B2 JP 58066592 A JP58066592 A JP 58066592A JP 6659283 A JP6659283 A JP 6659283A JP H0237145 B2 JPH0237145 B2 JP H0237145B2
Authority
JP
Japan
Prior art keywords
spectrum
pseudo
information
frequency
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58066592A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59191952A (ja
Inventor
Hidekazu Tsutsui
Ryota Akyama
Akimasa Yatsuhoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP6659283A priority Critical patent/JPS59191952A/ja
Publication of JPS59191952A publication Critical patent/JPS59191952A/ja
Publication of JPH0237145B2 publication Critical patent/JPH0237145B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP6659283A 1983-04-15 1983-04-15 情報の秘密伝送方式 Granted JPS59191952A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6659283A JPS59191952A (ja) 1983-04-15 1983-04-15 情報の秘密伝送方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6659283A JPS59191952A (ja) 1983-04-15 1983-04-15 情報の秘密伝送方式

Publications (2)

Publication Number Publication Date
JPS59191952A JPS59191952A (ja) 1984-10-31
JPH0237145B2 true JPH0237145B2 (hu) 1990-08-22

Family

ID=13320353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6659283A Granted JPS59191952A (ja) 1983-04-15 1983-04-15 情報の秘密伝送方式

Country Status (1)

Country Link
JP (1) JPS59191952A (hu)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753047A (ja) * 1993-08-10 1995-02-28 Ube Ind Ltd キャップの取出方法および装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216639A (ja) * 1985-07-16 1987-01-24 Kokusai Denshin Denwa Co Ltd <Kdd> 秘話音声信号送出装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539642U (hu) * 1978-09-08 1980-03-14
JPS56120239A (en) * 1980-02-27 1981-09-21 Fujitsu Ltd Simple privacy telephone system
JPS5862948A (ja) * 1981-10-09 1983-04-14 Clarion Co Ltd 信号暗号処理方式

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539642U (hu) * 1978-09-08 1980-03-14
JPS56120239A (en) * 1980-02-27 1981-09-21 Fujitsu Ltd Simple privacy telephone system
JPS5862948A (ja) * 1981-10-09 1983-04-14 Clarion Co Ltd 信号暗号処理方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753047A (ja) * 1993-08-10 1995-02-28 Ube Ind Ltd キャップの取出方法および装置

Also Published As

Publication number Publication date
JPS59191952A (ja) 1984-10-31

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